| Name | NBC Team | Last MLB Team | Last MLB Year |
|---|---|---|---|
| Jorge Posada | Hartselle, AL | New York Yankees | 2011 |
| Jose Alvarez | Clarinda A’s | Atlanta Braves | 1989 |
| Jose Tolentino | Matsu Miners | Houston Astros | 1991 |
| Jose Torres | Palm Springs Power | San Diego Padres | 2017 |
| Josh Barfield | Houston, TX | Cleveland Indians | 2009 |
| Josh Harrison | Cincinnati Steam | Cincinnati Reds | |
| Josh Satin | Matsu Miners | New York Mets | 2014 |
| Josh Whitesell | Orange County Scorpions | Arizona Diamondbacks | 2009 |
| Juan Eichelberger | Anchorage Bucs | Atlanta Braves | 1988 |
| Justin Atchley | Everett Merchants | Cincinnati Reds | 2001 |
| Justin Baughman | Tacoma Timbers | Anaheim Angels | 2000 |
| Justin Lehr | Santa Barbara Foresters | Cincinnati Reds | 2009 |
| Justin Leone | Tacoma Timbers | San Diego Padres | 2006 |
| Justin Wilson | Santa Barbara Foresters | New York Yankees | |
| Keith Creel | Boulder Collegians | Texas Rangers | 1987 |
| Keith Foulke | Anchorage Bucs | Oakland Athletics | 2008 |
| Keith Miller | Matsu Miners | Kansas City Royals | 1995 |
| Keith Moreland | Boulder Collegians | Baltimore Orioles | 1989 |
| Kelly Shoppach | Liberal Bee Jays | Cleveland Indians | 2013 |
| Kelvin Torve | Boulder Collegians | New York Mets | 1991 |
| Ken Giles | Casa Grande Cotton Kings | Seattle Mariners | |
| Ken Heintzelman | Ft. Riley, KS | Philadelphia Phillies | 1952 |
| Ken Johnson | KY | Detroit Tigers | 1952 |
| Ken Landreaux | Liberal Bee Jays | Los Angeles Dodgers | 1987 |
| Ken Phelps | Anchorage Bucs | Cleveland Indians | 1990 |
| Ken Suarez | LA | Texas Rangers | 1973 |
| Kevin Correia | San Diego Waves | Philadelphia Phillies | 2015 |
| Kevin Frandsen | Santa Barbara Foresters | Arizona Diamondbacks | 2015 |
| Kevin Jordan | Anchorage Bucs | Philadelphia Phillies | 2001 |
| Kevin Kouzmanoff | Colorado Springs, CO | Texas Rangers | 2014 |
| Kevin Maas | Anchorage Bucs | Minnesota Twins | 1995 |
| Kevin McReynolds | Liberal Bee Jays | New York Mets | 1994 |
| Kevin Polcovich | Anchorage Bucs | Pittsburgh Pirates | 1998 |
| Kevin Reese | Matsu Miners | New York Yankees | 2006 |
| Kevin Richardson | Bellingham Bells | Texas Rangers | 2009 |
| Kevin Romine | Matsu Miners | Boston Red Sox | 1991 |
| Kevin Sefcik | Wichita, KS | Colorado Rockies | 2001 |
| Kevin Stocker | Spokane Riverhawks | Anaheim Angels | 2000 |
| Kevin Wickander | Anchorage Bucs | Milwaukee Brewers | 1996 |
| Kip Gross | Anchorage Bucs | Houston Astros | 2000 |